package com.atguigu.gulimall.product.service.impl;

import com.atguigu.gulimall.product.entity.SkuImagesEntity;
import com.atguigu.gulimall.product.entity.SpuInfoDescEntity;
import com.atguigu.gulimall.product.service.*;
import com.atguigu.gulimall.product.vo.SkuItemSaleAttrVo;
import com.atguigu.gulimall.product.vo.SkuItemVo;
import com.atguigu.gulimall.product.vo.SpuItemAttrGroupVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.List;
import java.util.Map;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.atguigu.common.utils.PageUtils;
import com.atguigu.common.utils.Query;

import com.atguigu.gulimall.product.dao.SkuInfoDao;
import com.atguigu.gulimall.product.entity.SkuInfoEntity;
import org.springframework.util.StringUtils;


@Service("skuInfoService")
public class SkuInfoServiceImpl extends ServiceImpl<SkuInfoDao, SkuInfoEntity> implements SkuInfoService {
    @Autowired
    SkuImagesService imagesService;
    @Autowired
    SpuInfoDescService spuInfoDescService;
    @Autowired
    AttrGroupService attrGroupService;

    @Autowired
    SkuSaleAttrValueService skuSaleAttrValueService;
    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<SkuInfoEntity> page = this.page(
                new Query<SkuInfoEntity>().getPage(params),
                new QueryWrapper<SkuInfoEntity>()
        );

        return new PageUtils(page);
    }

    @Override
    public void saveSkuInfo(SkuInfoEntity skuInfoEntity) {
        this.baseMapper.insert(skuInfoEntity);
    }

    @Override
    public PageUtils queryPageByCondition(Map<String, Object> params) {
        QueryWrapper<SkuInfoEntity> wrapper = new QueryWrapper<>();
        //page: 1
        //limit: 10
        //key:
        //catelogId: 0
        //brandId: 0
        //min: 0
        //max: 0
        String key = (String)params.get("key");
        if (!StringUtils.isEmpty(key)) {
            wrapper.and(w->{   //这个and用（）把or阔了起来
                wrapper.eq("sku_id",key).or().like("sku_name",key);
            });
        }
        String catelogId = (String)params.get("catelogId");
        if (!StringUtils.isEmpty(catelogId) && !"0".equalsIgnoreCase(catelogId)) {
              wrapper.eq("catalog_id",catelogId);
        }
        String brandId = (String)params.get("brandId");
        if (!StringUtils.isEmpty(brandId)&&!"0".equalsIgnoreCase(brandId)) {
            wrapper.eq("brand_id",brandId);
        }
        String min = (String)params.get("min");
        if (!StringUtils.isEmpty(min)) {
            wrapper.ge("price",min);
        }
        String max = (String)params.get("max");
        if (!StringUtils.isEmpty(max)) {
            try {
                BigDecimal bigDecimal = new BigDecimal(max);
                if (bigDecimal.compareTo(new BigDecimal("0"))==1) {
                    wrapper.le("price",max);
                }
            }catch (Exception e){

            }

        }
        IPage<SkuInfoEntity> page = this.page(
                new Query<SkuInfoEntity>().getPage(params),
               wrapper
        );

        return new PageUtils(page);
    }

    @Override
    public List<SkuInfoEntity> getSkusBySpuId(Long spuId) {
        List<SkuInfoEntity> list = this.list(new QueryWrapper<SkuInfoEntity>().eq("spu_id", spuId));
        return list;
    }

    @Override
    public SkuItemVo item(Long skuId) {
        SkuItemVo skuItemVo = new SkuItemVo();
        //1、sku的基本信息获取
        SkuInfoEntity info = getById(skuId);
        skuItemVo.setInfo(info);
        Long catalogId = info.getCatalogId();
        Long spuId = info.getSpuId();
        //2、sku的图片信息、pms_sku_images
       List<SkuImagesEntity> images = imagesService.getImagesBySkuId(skuId);
       skuItemVo.setImages(images);

        //3、获取spu的销售属性组合
        List<SkuItemSaleAttrVo> saleAttrVos=skuSaleAttrValueService.getSaleAttrsBySpuId(spuId);
        skuItemVo.setSaleAttr(saleAttrVos);

        //4、获取spu的介绍 pms_spu_info_desc
        SpuInfoDescEntity spuInfoDescEntity = spuInfoDescService.getById(spuId);

        skuItemVo.setDesc(spuInfoDescEntity);

        //5、获取spu的规格参数信息
       List<SpuItemAttrGroupVo> attrGroupVos = attrGroupService.getAttrGroupWithAttrsBySpuId(spuId,catalogId);  //获取当前商品的所有属性分组和属性值
        skuItemVo.setGroupAttrs(attrGroupVos);

        return skuItemVo;
    }

}